306 PALEONTOLOGY. 



Describes the following new species from the Cincinnati group — 

 Avicida corrugata, A. Welchi, StreptorJiyncJius {Stropliomena) elongatus, 

 StropJiomena decUvis, and Streptorhynchus {StropJiomenci) vetustus. The 

 last is allied to Strophomena suhtenta. H. A. N. 



James, U. P. Descriptions of New Species of Brachiopoda from the 



Lower Silurian Formation, Cincinnati group. Cincin. Quart. 



Journ. Sci. vol. i. pp. 333-335. 



Describes ttie following species of Brachiopoda from the Cincinnati 



gToup : — Strophomena gihbosa, regarded by Mr. Meek as a variety 



of 8. rli07nho{dalis, and as being identical with S. tenuistriata ; but the 



author regards all three as distinct species, and points out that each 



holds a definite geological horizon ; and S. squamula. H. A. N. 



. . Descriptions of one New Species of LeptcBna and two species 



of Cyclonema from the Lower Silurian Eocks — Cincinnati group. 



Cincin. Quart. Journ. Sci. vol. i. pp. 151-153. 



Describes a Leptcena {L. aspera=L. sericea'^) and two Cyclonemce 



(C. pyramidata and G. fluctuata) allied to C. hilioc. The last is the 



same as C. hilix, var. lata. H. A. N. 



Jefpeeys, J. G; Some Eemarks on the Mollusca of the Mediterra- 



cean. Rep. Brit. Assoc, for 1873, 8vo. pp. 111-116. 

 The paper gives (p. 116) a list of 2Q species which are fossil in Sicily, 

 and which have been found living in the Mediterranean. 



JoHNSOTT, Hawkins M. On the Microscopic Structure of Plints and 



alHed bodies. Journ. Quekett Micros. Club, vol. iii. pp. 234-237, 



plate 9 ; and privately printed, 8vo. Lewes ? 



By treating with acids thin plates of flint, iron-pyrites, nodules from 



the Chalk, septaria from the London and Kimmeridge Clays, and phas- 



phatic nodules from the Gault and Cambridge deposit, the author has 



succeeded-in developing delicate structures, which he believes to be of 



organic origin, and which in appearance suggest the group of the 



sponges. E. T. N. 



Jones, Prof. T. Etjpert. Notes on some Silurian Entomostraca from 



Peebleshire. Geol. Mag. dec. 2, vol. i. pp. 511, 512; reprinted, 



with woodcut added, and correction, from Trans. Edin. Geol. Soc. 



vol. ii. part 3, pp. 321, 322. 



Describes and figures the following Ostracoda — JBeyricMa impendeiis, 



Entomis aciculata, Primitia protenta^ and Bairdia (?) Broivniana. 



The last two species are described for the first time. H. A. N. 



. New locality for Leaia. Geol. Mag. dec. 2, vol. i. p. 480. 



Notes the discovery of Leaia in ironstone at the lower part of the 

 Coal Measures of Eifeshire. 



. [Entomostraca]. Jahrb. Heft 2, p. 180. 



Letter stating that the so-called Cypridince of the German ^''Cypri- 

 nidinenschiefer " belong neither to Cypridina nor to Entomis, but form 



